At 5, he had no clue how to tie his shoelaces. However, it was the moment Cunningham’s family noticed that his advanced basketball skills elevated him above the other kids in his age group. At the time, he distinguished himself from his peers as one of a small group of kids who knew how to dribble up the court with one hand. Nearly two decades later, Cunningham, in his fourth year as a pro, is distinguishing himself as a first-time NBA All-Star, selected by NBA coaches to represent the Detroit Pistons at the league’s midseason showcase on Sunday. “It’s awe-inspiring,” Cade’s older brother, Cannen, told The News. “I’m happy for him because he’s doing the right things; he wants to be great, and there’s no other option. It’s cool to observe that and see what happens if you put your mind to it and see it come to reality.”